Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Grass  
EVs: 248 HP / 220 Def / 28 SpD / 12 Spe  
Impish Nature  
- Sacred Fire  
- Toxic  
- Defog  
- Recover  

Zygarde @ Chesto Berry  
Ability: Power Construct  
Tera Type: Normal  
EVs: 252 HP / 56 Atk / 100 Def / 96 SpD / 4 Spe  
Impish Nature  
- Thousand Arrows  
- Extreme Speed  
- Coil  
- Rest  

Marshadow @ Life Orb  
Ability: Technician  
Tera Type: Ghost  
EVs: 248 Atk / 8 Def / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Shadow Sneak  
- Low Kick  
- Stone Edge  

Groudon @ Red Orb  
Ability: Drought  
Tera Type: Ground  
EVs: 248 HP / 112 Atk / 140 Def / 8 SpD  
Impish Nature  
- Precipice Blades  
- Stone Edge  
- Swords Dance  
- Stealth Rock  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
Tera Type: Poison  
EVs: 248 HP / 136 Def / 124 Spe  
Bold Nature  
IVs: 0 Atk  
- Foul Play  
- Will-O-Wisp  
- Taunt  
- Recover  

Kyogre-Primal @ Blue Orb  
Ability: Primordial Sea  
Tera Type: Water  
EVs: 248 HP / 184 Def / 76 Spe  
Modest Nature  
IVs: 0 Atk  
- Origin Pulse  
- Thunder  
- Ice Beam  
- Calm Mind